RBSE Sec Voc Plumbing Practice Questions - Rajasthan RBSE Secondary Plumbing - Vocational Code 111 Exam

Why is zinc coating applied on galvanized iron (GI) pipes?

To protect the steel from rust and corrosion To make the pipe magnetic for detection only To increase electrical conductivity for earthing To allow solvent-cement joints like plastic pipe

Correct Answer:

To protect the steel from rust and corrosion

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